JP6320400B2 - Beverage container lid - Google Patents

Description

(Reference to related applications)
This PCT patent application is filed Oct. 26, 2012 and claims priority to co-pending US patent application Ser. No. 13 / 661,431 entitled “BEVERAGE CONTAINER LID”. The earlier application is incorporated herein by reference.

  The present invention relates to the field of beverage container lids. In particular, the present invention relates to a multipurpose, biodegradable beverage container lid.

(Details of related technology)
Beverage container lids for beverage containers that contain hot beverages are known in the art.

  U.S. Pat. No. 6,488,173, entitled “Beverage Container Lid Having Baffle Arrangement for Liquid Cooling” and issued to Milan on Dec. 3, 2002, discloses a lid for a removable beverage container. The lid includes a substantially enclosed space defined between the outer cover and the inner cover. An inlet opening is formed in the inner cover and directs the hot beverage to flow into the substantially enclosed space. A divider or wall assembly having a height that extends substantially to be positioned relative to the outer cover and a length that is at least equal to the length of the inlet opening is attached to the inner cover at the leading edge of the inlet opening It has been. A gap area is provided between the partition or wall assembly and the periphery of the outer cover. Dispensing opening formed in the outer cover is connected to the gap region. The warm beverage is allowed to flow around the partition or wall assembly and into the gap region before flowing out of the beverage container through the dispensing opening.

  US Patent Application Publication No. 2009/0108006, entitled “Beverage Container Lid Having Liquid Cooling Effect” published by Milan, published April 30, 2009, shows a lid for a beverage container including an outer or inner cover, When the covers are tied together, there is a cooling reservoir between them, which cools the hot beverage that may be held in the beverage container. The outer cover includes ventilating holes and dispensing spout for dispensing liquid to the user. The inner cover includes a wall that is used to direct the liquid entering from the beverage container. Inlet apertures are provided in the inner cover to allow warm liquid to enter the reservoir. Dispensing walls cooperate to direct the warm liquid entering through the inlet aperture and also separate the warm liquid from the cold liquid exiting the reservoir through the dispensing aperture.

  The aforementioned patent publications are incorporated herein by reference.

  Beverage container lids for beverage containers that contain cold beverages are also known in the art.

  Plastic beverage container lids have traditionally been manufactured from polyethylene, polyvinyl chloride, polypropylene, polystyrene, and other resins. Some of the lids made from these resins have excellent transparency, but these lids have a very low degradation rate, so they remain semi-permanent when discarded as garbage and buried underground. . Disposing of these beverage container lids to the ocean damages the landscape and causes the destruction of marine life.

  Conventional beverage container lids are not made from lactic acid based polymers. In the processing of lactic acid-based polymers by conventional molding methods such as compression molding (thermoforming) and injection molding, the strength of the beverage container lid supplied from the polymer is practical for use as a transparent or opaque beverage container lid. It is insufficient.

  The lid of the beverage container includes an inner cover, an outer cover, and a hinge connecting the inner cover to the outer cover. Beverage containers are versatile in that they are suitable for use in beverage containers, including cold beverages, warm beverages, or foamy or creamy beverages. The lid of the beverage container preferably has a drinking spout, straw perforations, ridges, reservoir bottom, indentation, and a beverage that flows directly from the pair of openings in the inner cover to the spout. It includes a pair of retaining walls that prevent it. The lid of the beverage container is preferably made of a biodegradable material, more preferably a biodegradable polymer material. The use of the beverage container is also described.

  The lid of the beverage container includes an inner cover, an outer cover, and a hinge that can be folded to connect the inner cover to the outer cover and to direct the outer cover to cover the inner cover. The inner cover has a pair of openings that allow the beverage in the beverage container to flow through the inner cover. The inner cover includes a reservoir bottom and a recess portion that forms a recess extending downward and outward from the edge of the reservoir bottom. The inner cover also includes a pair of retaining walls, each retaining wall extending upward and outward from the reservoir bottom and located on one of the side surfaces of the indented portion and the pair of openings. It spreads inward through the periphery. The inner cover also includes an outer mouth that extends around the reservoir bottom, the indented portion, and the outer edge of the retaining wall and is configured to receive the beverage container edge and inner mouth that extend inwardly from the outer edge of the inner cover. The The outer cover has an outer edge sized to receive the inner mouth of the inner cover. The outer cover includes a flat portion extending inward from the outer edge of the outer cover, a drinking mouth extending upward from the flat portion, and a raised portion extending upward from the edge of the flat portion.

  When the hinge is folded and the outer edge of the outer cover is received by the inner mouth of the inner cover, the drinking mouth is located above the indented part and each retaining wall contacts the flat part of the outer cover, thereby The inner cover, the outer cover, and the hinge are arranged to prevent the beverage in the container from flowing directly from the opening to the drinking mouth.

FIG. 2 shows a schematic top perspective view of a beverage container lid with a substantially flat top in an embodiment of the present invention. Fig. 3 shows a schematic plan view in an open position of a lid of a beverage container with a dome-shaped top in an embodiment of the present invention. Fig. 3 shows a schematic side view in the open position of the lid of the beverage container of Fig. 2; Fig. 3 shows a schematic front view in the closed position of the lid of the beverage container of Fig. 2; Fig. 3 shows a schematic side view in the closed position of the lid of the beverage container of Fig. 2; Fig. 3 shows a schematic plan view in the closed position of the lid of the beverage container of Fig. 2; Fig. 6 shows a schematic side view with the reservoir bottom removed in the closed position of the lid of the beverage container of Fig. 5; Fig. 2 shows a schematic plan view in an open position of a beverage container lid with a flat top in an embodiment of the invention. Fig. 9 shows a schematic side view in the open position of the lid of the beverage container of Fig. 8; Fig. 9 shows a schematic front view in the closed position of the lid of the beverage container of Fig. 8; Fig. 9 shows a schematic side view in the closed position of the lid of the beverage container of Fig. 8; Fig. 9 shows a schematic plan view in the closed position of the lid of the beverage container of Fig. 8; Fig. 12 shows a schematic side view with the reservoir bottom removed in the closed position of the lid of the beverage container of Fig. 11.

  The lid of the beverage container, in some embodiments, is formed to have a liquid cooling effect, includes a ridge, and does not leak contents. Beverage container lids are versatile in that they may be used with all beverage types, cold beverages, hot beverages, and foams.

  The lid of the beverage container includes an outer cover and an inner cover that are connected by a hinge. In some embodiments, the beverage container lid includes a ridge, a perforated reservoir bottom, a straw hole, and a drinking spout. In some embodiments, the ridge has steep sides and a flat top surface. In other embodiments, the ridges are bent to form a dome shape. In some embodiments, the dome shape is hemispherical. Due to these characteristics, the lid of the beverage container has the versatility that it may be used on all types of beverage cups or containers, including but not limited to warm, cold, foamy, Alternatively, it includes a container for creamy beverages. A foamy or creamy beverage, as used herein, is any beverage, such as a mixed coffee beverage topped with foam or cream on the top surface of a liquid beverage and topped with whipped cream. Sometimes. Due to the dome shape, the store person can add the topping to a height above the mouth of the beverage container without causing the topping to touch the lid. The dome portion also provides more space under the lid so that the user can mix the beverage properly using a straw.

  When a beverage container lid is used with a warm beverage container, a reservoir container with a perforated reservoir, a straw hole, and a beverage container lid that does not cause spills or burns, preferably As used. The inner cover, including the reservoir bottom, is simply placed on the container and the hinge is folded so that the outer cover covers the inner cover. The mouth of the outer cover is inserted into the inner mouth of the inner cover to hold the outer cover in place. The cap on the mouthpiece is torn off and the user may then enjoy a hot beverage by drinking through the mouthpiece.

  When the beverage container lid is used in conjunction with a foam or cream mixed beverage container, the beverage container lid comprises a ridge with a straw hole and a drinking mouth, preferably in the following method: Used in. The indented portion is pulled along the reservoir hole line, and the reservoir hole line is further broken to remove the reservoir bottom of the inner cover. Only the ridges may be used alone by simply placing the inner cover around the mouth of the container and then folding the hinge so that the outer cover covers the inner cover. The straw is inserted through a straw hole on the outer cover and is ready to enjoy a foamy or cream mixed drink. Because of the ridges, more whipped cream or other topping can be added over the beverage without putting it on the lid.

  When a beverage container lid is used with a cold beverage container, the beverage container lid with a straw hole, spout, and perforated reservoir does not cause spillage and is preferably used as follows: The Simply place the inner cover containing the reservoir on the container, and then fold the hinge so that the outer cover covers the inner cover. The straw is inserted through a straw hole on the outer cover and a straw hole on the inner cover, ready to enjoy a cold beverage. Also, the cap on the mouthpiece is torn off and the user may then enjoy a hot beverage by drinking through the mouthpiece. This innovative feature allows shoppers to stop using traditional straws when serving cold beverages, including but not limited to soda and juice, which is more cost effective for shoppers and more environmentally friendly. Even better.

  The reservoir prevents the beverage container from accidentally or unexpectedly swaying, falling over, or falling and spilling the beverage.

  The inner cover is preferably designed to fit into the edge of the beverage container and the outer cover is designed to be received by the inner cover when the hinge is folded. The inner cover and the outer cover are connected to each other by a hinge, and as part of the design, the hinge is folded outside rather than inside the lip of the cup. For these reasons, it is not desirable to break the hinge and place only the outer cover on the beverage container when using a lid of a beverage container containing a foamed or cream mixed beverage. If the inner cover and the outer cover are fitted together before being placed on the beverage container, the hinge is folded between the beverage container lid and the beverage container edge so that it is folded between the beverage container lid and the beverage container. A gap will be created between them, causing leakage. The inner cover first seals the beverage container, and then the outer cover is folded over it, so that the hinge is folded outside the beverage container rim and sandwiched between the beverage container lid and lip. No leakage occurs.

  In some embodiments, as a result of designing a Cippy cup with a nipple or mouthpiece, with a cap with a hole in the top that can be twisted off before use, resulting in a beverage The container lid does not require a drinking straw. Eliminating drinking container straws not only saves money commercially but also avoids unnecessary waste, thereby maintaining a better environment with less contamination. A raised spout with a perforated cap prevents the beverage from spilling out of the beverage cup during transport and stops using the straw to drink.

  In some embodiments, the lid of the beverage container is degradable, particularly biodegradable. In some embodiments, the beverage container lid material comprises a thermoplastic polymer composition with degradability in the natural environment and excellent transparency and impact strength.

  In some embodiments, the beverage container lid is made of a transparent biodegradable material, so that the contents of the beverage container may be visually distinguishable. In some embodiments, the biodegradable material is a polyhydroxybutyrate (PHB), poly (hydroxybutyrate-co-hydroxyvalerate) (PHBV) copolymer, polylactic acid or another lactic acid-based material. It is a polymer. As used herein, lactic acid-based polymer refers to polylactic acid or any copolymer of polylactic acid and another hydroxycarboxylic acid.

  When placed in soil or sea water, biodegradable polymeric materials begin to degrade within a few weeks in a humid environment and disappear within a few years. Furthermore, the final degradation products of these polymers are lactic acid, carbon dioxide, and water, which are harmless to the human body.

  In some embodiments, the beverage container lid is made from a thermoplastic polymer composition of at least 10,000 molecular weight, biodegradable, lactic acid based polymer. In some embodiments, the biodegradable thermoplastic polymer composition has a light transmission of at least 85%. In some embodiments, the biodegradable thermoplastic polymer composition has a light transmission of at least 90%. In some embodiments, the thermoplastic polymer composition is transparent. In other embodiments, the thermoplastic polymer composition is opaque.

  In some embodiments, the beverage container lid pre-forms the thermoplastic polymer composition at a pre-form temperature in the range of 180 ° C. to 300 ° C. and 20 ° Formed by stretch blow molding a preform into a beverage container lid at a molding temperature ranging from C to 125 ° C. In some embodiments, the preform is a parison and the stretch blow molding is extrusion stretch blow molding by injection molding or compression molding or thermoforming. The molding temperature preferably corresponds to the glass transition temperature (Tg) of the thermoplastic polymer composition, such as in the range of Tg to Tg + 60 ° C. The draw ratio is preferably in the range of 1.2 to 6 times, and the glass transition temperature is in the range of 20 ° C to 65 ° C.

  The thermoplastic polymer composition may be formed from monomer units of L-lactic acid, D-lactic acid, glycolic acid, or any combination thereof.

  The lid of the degradable beverage container is preferably decomposed in the natural environment, has transparency, and has a sufficient impact strength even in case of sudden drop of the beverage container in practical use or transportation.

  FIG. 1 shows a schematic perspective view of a beverage container lid (10) with a substantially flat top in a closed position. The outer cover (12) was folded over the inner cover (14) by folding the hinge (16) connecting the outer cover (12) and the inner cover (14). The inner cover (14) includes an outer mouth (18) that seals the inner cover (14) around the edge of the beverage container. The mouthpiece (20) of the outer cover (12) allows the user to drink the beverage in the beverage container. The opening is not visible in FIG. 1, but allows the beverage to enter a reservoir space formed between the outer cover and the inner cover. The pair of retaining walls formed on the inner cover (14) are not visible in FIG. 1, but indentations (27) on the outer cover (12) to prevent liquid from flowing past the retaining walls. , 29). Instead, the beverage from the beverage container must flow through the opening in the inner cover, around the retaining wall, and into the spout (20). As shown in FIG. 1, these indentations (27, 29) appear as protrusions when viewed from the top of the outer cover. The top surface of the ridge (22) of the outer cover (12) is substantially flat. A small hole (24) at the top of the lid vents the interior space so that no vacuum is formed and the beverage can flow out of the drinking mouth and easily into the user's mouth. The sloping area, or groove (26) behind the mouthpiece (20), catches the user's upper lip, provides a comfortable drinking, and catches any beverage spills that may occur from one mouth. The straw hole (28) allows the user to insert the straw through the outer cover (12) of the beverage container lid (10).

  Details of the inner cover (14) are not visible in FIG. 1, but the inner cover (14) can be used for any feature or combination of features of the inner cover (34) shown in FIGS. It may be within the spirit of the invention.

  FIG. 2 shows the top surface of the inner cover (34) and the bottom surface of the outer cover (32) of a beverage container lid (30) with ridges (46) in an embodiment of the present invention. The hinge (36) flexibly connects the outer cover (32) to the inner cover (34). An outer mouth (38) at the periphery of the inner cover (34) attaches the inner cover (34) to the edge of the beverage container. The inner mouth (39) on the inner cover (34) receives the mouth (33) of the outer cover (32) so as to seal between the outer cover (32) and the inner cover (34), thereby A reservoir space is formed between the covers (32, 34). The mouthpiece (40) of the outer cover (32) allows the user to drink the beverage in the beverage container. The small holes (24) on the outer cover (32) vent the interior space so that no vacuum is formed and the beverage can flow out of the drinking mouth and easily flow into the user's mouth.

  The spout cap (41) on the spout (40) can be opened until the user is ready to start drinking through the spout (40) and removes the spout cap (41) along the hole. Block. A pair of openings (52, 54) allow beverage to enter a reservoir space formed between the outer cover (32) and the inner cover (34). A small hole (35) on the inner cover (34) vents the interior space so that no vacuum is formed and the beverage can flow through the openings (52, 54). A pair of retaining walls (42, 44) are located on the sides of the openings (52), (54), respectively, to prevent the beverage from flowing directly from the openings (52, 54) to the drinking mouth (40). . The upper portions of the holding walls (42, 44) are in contact with the flat portion (48) of the outer cover (12). The raised portion (46) of the outer cover (32) has a dome shape in FIG. 2 except for a flat portion having a hole (50) for a straw. The straw hole (50) allows the user to insert a straw through the outer cover (32) of the beverage container lid (30).

  The reservoir bottom (56) formed in the inner cover (34) forms the bottom edge of the reservoir formed between the inner cover (34) and the outer cover (32). The recessed portion (58) between the retaining walls (42, 44) extends below the level of the reservoir bottom (56). The straw hole (60) in the reservoir bottom (56) allows the user to insert the straw through the inner cover (34) of the beverage container lid (30). Due to the reservoir hole line (62), the reservoir bottom (56), retaining walls (42, 44), and recessed portion (58) are removed from the remainder of the inner cover (34).

  FIG. 3 shows a side view of the lid (30) of the beverage container of FIG. The shape of the region around the ridge (46), the indentation (58), the flat part (48) around the drinking mouth (40), and the hole (50, 60) for the straw is more clearly shown in FIG. Looks like. FIG. 3 also shows the following as in FIGS. The openings (52, 54) are above the surface of the reservoir bottom (56), so that when the beverage container is placed back after the first bite, some of the beverage in the reservoir flows back into the beverage container, but some Remain spread out on the reservoir bottom (56) and part of it accumulates in the recessed portion (58). In the case of a warm beverage, this remaining liquid cools and mixes with the warm beverage that re-enters the reservoir through the openings (52, 54) when drinking the next sip out of the cup, so that the temperature of the warm beverage is Reduce and prevent burns in the user's mouth. In some embodiments, the openings (52, 54) are located about 3 millimeters above the reservoir bottom (56) surface.

  FIG. 4 shows a front view of the lid (30) of the beverage container in the closed position. The raised portion (50) extends upward behind the drinking mouth (40). The pair of indentations (63, 64) allows the user to easily grasp the indented portion (58) with a finger or nail and tear the hole line (62) between the indented portion (58) and the outer edge of the inner cover (34). It is possible to pull the indentation part (58).

  FIG. 5 shows a side view of the lid (30) of the beverage container in the closed position with a straw (66) inserted through the hole (50, 60) for the straw. The hole (60) for the straw of the inner cover (34) is a hole for the straw (60) around the straw (66) when the beverage container is accidentally or unexpectedly shaken, falls, or falls. ) Is preferred to minimize the beverage entering the reservoir space through. As can be seen in FIG. 5, the straw hole (60) in the inner cover (34) is also used to help the user search for the straw hole (60) during insertion of the straw (66). Located in the recess in the reservoir bottom (56). As can be seen in FIG. 2, the straw hole (50) in the outer cover (32) is preferably larger than the straw hole (60) in the inner cover (34). As a result, the user can tilt the straw (66) more greatly without bending the straw (66) so that the bottom of the straw (66) can reach the bottom edge of the beverage container. The preferred shape of the external port (38) is also shown in FIG.

  FIG. 6 shows the lid of the beverage container in the closed position to show the relative position of the opening (52, 54), the retaining wall (42, 44) and the indented portion (58) with respect to the drinking mouth (40). The top view of (30) is shown.

  FIG. 7 shows a side view of the beverage container lid in the closed position, similar to FIG. 5 except that the reservoir bottom is cut away along the reservoir hole and removed from the beverage container lid. .

  The outer cover (32) is shown as flat in the peripheral region of the mouthpiece (40) in FIGS. 2 to 7, whereas the outer cover (32) is provided with the dents (27, 29) shown in FIG. Similar indentations may be included within the spirit of the invention. The upper portion of the retaining wall (42, 44) formed in the inner cover (34) extends into the recess of the outer cover (32) to prevent liquid from flowing past the retaining wall (42, 44). Instead, the beverage from the beverage container must flow through the opening (52, 54) of the inner cover, around the retaining wall (42, 44) and into the drinking mouth (20). These indentations appear as protrusions when viewed from the top of the outer cover (72).

  2-7, in use with a beverage container lid, the outer cover (34) is placed around the edge of the beverage container so that the inner cover (34) covers the beverage container containing the beverage. Placed in. The hinge (36) is folded, the outer cover (32) is placed over the inner cover (34), and the mouth (33) of the outer cover (32) is the inner mouth of the inner cover (34) ( 39). Finally, the spout cap (41) is torn off from the spout (40), after which the user places the spout (40) on the user's mouth and tilts the beverage container towards the spout (40), You can enjoy a drink. In this method, the beverage is preferably a warm beverage. The warm beverage enters the reservoir through the openings (52, 54). The retaining walls (42, 44) prevent the beverage from flowing directly into the drinking mouth (40). Instead, the beverage must first flow around the walls (42, 44) towards the reservoir bottom (56). When the user stops drinking and places the beverage container upright on a flat surface, some of the beverage in the reservoir flows back through the openings (52, 54) to the beverage container, but some is indented (58 ), Which is just below the mouthpiece (40) and holds and cools the beverage until the user is ready to take the next bite.

  In another use of the beverage container lid, the well portion (58) and the reservoir bore (62) along the retaining walls (42, 44) are cut off. This is preferably done by grasping the indentation (63, 64) located on the side of the indentation (58) with two fingers of one hand, grasping the external mouth (38) with another hand, and the reservoir hole line (62). It is preferable that the separation is performed by pulling along the line. Further pulling then separates the entire reservoir hole line (62) from the portion including the reservoir bottom (56), the recessed portion (58), and the retaining walls (42, 44) and is discarded. The inner cover (34) is then placed over the beverage container containing the beverage by placing an external mouth (38) around the edge of the beverage container. The hinge (36) is folded, the outer cover (32) is placed over the inner cover (34), and the mouth (33) of the outer cover (32) is the inner mouth of the inner cover (34). Inserted under (39). Finally, the straw (66) may be inserted into the beverage container through the straw hole (50) and then the user may enjoy the beverage by sucking the beverage through the straw (66). In the present method, the beverage is preferably a foamed or cream mixed beverage. However, in some embodiments, the beverage may be a cold beverage.

  In another use of the beverage container lid, the inner cover (34) is placed over the beverage container containing the beverage by placing an outer mouth (38) around the edge of the beverage container. The hinge (36) is folded, the outer cover (32) is placed over the inner cover (34), and the mouth (33) of the outer cover (32) is the inner mouth of the inner cover (34). Inserted under (39). Finally, the straw (66) may be inserted into the beverage container through both straw holes (50, 60) and then the user may enjoy the beverage by sucking the beverage through the straw (66). In the present method, the beverage is preferably a cold beverage.

  FIG. 8 shows the top surface of the inner cover (34) and the bottom surface of the outer cover (72) of a beverage container lid (70) with a flat ridge (74) at the top in an embodiment of the present invention. . The hinge (36) flexibly connects the outer cover (72) to the inner cover (34). An outer mouth (38) at the periphery of the inner cover (34) attaches the inner cover (34) to the edge of the beverage container. The inner mouth (39) on the inner cover (34) receives the mouth (33) of the outer cover (72) and thereby seals between the outer cover (72) and the inner cover (34). A reservoir space is formed between the covers (72, 34). The mouthpiece (40) of the outer cover (72) allows the user to drink the beverage in the beverage container. The stoma (24) on the inner cover (72) vents the interior space so that no vacuum is formed and the beverage can flow out of the drinking mouth and easily flow into the user's mouth.

  The spout cap (41) on the spout (40) is ready for the user to begin drinking through the spout (40) and the spout (40) is removed until the spout cap (41) is removed along the hole line. Block. A pair of openings (52, 54) allow beverage to enter the reservoir space formed between the outer cover (72) and the inner cover (34). A small hole (35) on the inner cover (34) vents the interior space so that no vacuum is formed and the beverage can flow through the openings (52, 54). The pair of holding walls (42, 44) are respectively located on the side surfaces of the opening (52, 54) to prevent the beverage from flowing directly from the opening (52, 54) to the drinking mouth (40). The upper portions of the retaining walls (42, 44) are in contact with the flat portion (48) of the outer cover (12) around the drinking mouth (40). The flat top (74) of the outer cover (72) includes a hole (50) for the straw, whereby the user inserts the straw through the outer cover (72) of the lid (70) of the beverage container. It becomes possible.

  The reservoir bottom (56) formed in the inner cover (34) forms the bottom edge of the reservoir formed between the inner cover (34) and the outer cover (72). The recessed portion (58) between the retaining walls (42, 44) extends below the level of the reservoir bottom (56). The straw hole (60) in the reservoir bottom (56) allows the user to insert the straw through the inner cover (34) of the beverage container lid (70). Due to the reservoir hole line (62), the reservoir bottom (56), retaining walls (42, 44), and recessed portion (58) are removed from the remainder of the inner cover (34).

  FIG. 9, like FIGS. 10 and 11, shows a side view of the lid (70) of the beverage container of FIGS. 8 and 9 and shows the following. The openings (52, 54) are above the surface of the reservoir bottom (56), so that when the beverage container is placed back after the first bite, some of the beverage in the reservoir flows back into the beverage container, but some Remain spread out on the reservoir bottom (56) and part of it accumulates in the recessed portion (58). In the case of a warm beverage, this remaining liquid cools and mixes with the warm beverage that re-enters the reservoir through the openings (52, 54) when drinking the next sip out of the cup, so that the temperature of the warm beverage is Reduce and prevent burns in the user's mouth. In some embodiments, the openings (52, 54) are located about 3 millimeters above the reservoir bottom (56) surface.

  FIG. 10 shows a front view of the lid (70) of the beverage container in the closed position. The raised portion (50) extends upward behind the drinking mouth (40). The pair of indentations (63, 64) allows the user to easily grasp the indented portion (58) with a finger or nail and tear the hole line (62) between the indented portion (58) and the outer edge of the inner cover (34). It is possible to pull the indentation part (58).

  FIG. 11 shows a side view of the lid (70) of the beverage container in the closed position with a straw (66) inserted through the hole (50, 60) for the straw. The hole (60) for the straw of the inner cover (34) is a hole for the straw (60) around the straw (66) when the beverage container is accidentally or unexpectedly shaken, falls, or falls. ) Is preferred to minimize the beverage entering the reservoir space through. As can be seen in FIG. 11, the straw hole (60) in the inner cover (34) is also provided in the reservoir to help the user locate the straw hole (60) during insertion of the straw (66). Located in the recess of the bottom (56). As can be seen in FIG. 8, the straw hole (50) in the outer cover (72) is preferably larger than the straw hole (60) in the inner cover (34). As a result, the user can tilt the straw (66) greatly without bending the straw (66) so that the bottom of the straw (66) reaches the bottom edge of the beverage container. The preferred shape of the external port (38) is also shown in FIG.

  FIG. 12 shows the lid of the beverage container in the closed position to show the relative position of the opening (52, 54), the retaining wall (42, 44) and the indented portion (58) with respect to the drinking mouth (40). The top view of (70) is shown.

  The outer cover (72) is shown as flat in the peripheral region of the mouthpiece (40) in FIGS. 8-12, while the outer cover (72) has the dents (27, 29) shown in FIG. Similar indentations may be included within the spirit of the invention. The upper portion of the retaining wall (42, 44) formed on the inner cover (34) extends into the recess in the outer cover (72) to prevent liquid from flowing past the retaining wall (42, 44). Instead, the beverage from the beverage container must flow through the openings (52, 54) in the inner cover (34), around the retaining walls (42, 44), and into the drinking mouth (20). . These indentations appear as protrusions when viewed from the top of the outer cover.

  FIG. 13 shows a side view of the beverage container lid in the closed position, similar to FIG. 11 except that the reservoir bottom is cut away along the reservoir hole line and removed from the beverage container lid. is there. The reservoir prevents the beverage container from spilling accidentally or unexpectedly, shaking, falling or falling.

  It will be understood that the embodiments of the invention described herein are merely illustrative of the application of the inventive principles, as appropriate.

  In this specification, citations of details of the illustrated embodiments are not intended to limit the scope of the claims, but rather detail features that are considered essential to the invention. is there.

Claims (25)

A beverage container lid attached to a beverage container containing a beverage,
The lid of the beverage container
An inner cover having a pair of openings for allowing the beverage in the beverage container to pass through,
Reservoir bottom,
A recess portion extending downward and outward from the edge of the reservoir bottom to form a recess,
A pair of retaining walls, each extending upward and outward from the edge of the reservoir bottom, located on one side of the indented portion side and one pair of openings and extending inwardly through the periphery of the opening;
An external mouth that extends around the bottom of the reservoir, the indented portion, and the outer edge of the retaining wall and is configured to receive the edge of the beverage container; and
An inner cover including an inner mouth extending inward from an outer edge of the inner cover,
An outer cover having an outer edge sized to be received by the inner mouth of the inner cover,
A flat portion extending inward from the outer edge of the outer cover, and
An outer cover including a mouth opening upward from the flat surface part,
Hinge, which can be folded to connect the inner cover with the outer cover and place the outer cover on the inner cover
With
The inner cover, outer cover, and hinge are arranged such that when the hinge is folded, the outer edge of the outer cover is received by the inner mouth of the inner cover;
The mouth is located above the indentation ,
Retaining wall of their respective contacts with the flat portion of the outer cover, thereby proof technique from flowing beverage in the beverage container directly to port drinking from the opening, and,
The reservoir bottom, indentation, and retaining wall are separable from the outer edge of the inner cover by a reservoir weakening line.
Beverage container lid. The beverage container lid according to claim 1, wherein the drinking mouth further includes a cap that is separable from the outer cover by a weakening line of the cap in order to provide a drinking hole in the drinking mouth. The lid of a beverage container according to claim 1, wherein the outer cover has a weakening line for an external straw sized to accommodate the straw. 2. The lid of a beverage container according to claim 1, wherein the reservoir bottom has a weakening line for a reservoir straw sized to receive a straw.   The lid of the beverage container according to claim 1, wherein the outer cover further includes a raised portion extending upward from an edge of the flat portion.   The lid of a beverage container according to claim 5, wherein the raised portion has a curved shape.   The lid of a beverage container according to claim 5, wherein the raised portion has a hemispherical shape.   6. The lid of a beverage container according to claim 5, wherein the ridge has a flat top surface and steep sides. 6. The lid of a beverage container according to claim 5, wherein the raised portion has an external straw weakening line sized to accommodate the straw.   9. The lid of a beverage container according to claim 8, wherein the indented portion has a pair of indentations on opposite sides of the indented portion. The lid of a beverage container according to claim 1, wherein the pair of openings are positioned such that when the inner cover is horizontal, the pair of openings is higher in horizontal position than the reservoir bottom . A method of using a beverage container lid comprising an inner cover, an outer cover, and a hinge connecting the inner cover to the outer cover, comprising:
The inner cover has a pair of openings for allowing the beverage in the beverage container to pass through the inner cover, the inner cover extending downward and outward from the reservoir bottom, the edge of the reservoir bottom to form a recess. A pair of retaining walls, each extending upward and outward from the reservoir bottom, located on one side of the side of the recess and a pair of openings and extending inwardly through the periphery of the opening An outer mouth that extends around the outer edge of the reservoir bottom, the indented portion, and the retaining wall and that is configured to receive the edge of the beverage container, and an inner mouth that extends inwardly from the outer edge of the inner cover, The outer cover has an outer edge that is sized to be received by the inner mouth of the inner cover, a flat portion extending inward from the outer edge of the outer cover, a drinking mouth extending upward from the flat portion, and a flat portion of the flat portion. Includes a ridge extending upward from,
The method
a) filling the beverage container with a beverage;
b) attaching the outer mouth of the inner cover around the edge of the beverage container;
c) folding the hinge to place the outer cover on the inner cover;
d) inserting the outer edge of the outer cover under the outer mouth part of the inner cover, so that the drinking mouth is located above the indented part; and
Each retaining wall contacts the flat portion of the outer cover, thereby preventing the beverage in the beverage container from flowing directly from the opening to the drinking mouth,
Only including,
The method further comprising the step of separating and removing the reservoir bottom, the recessed portion and the retaining wall from the outer edge of the inner cover along the reservoir weakening line prior to step b) . e) further comprising the step of separating and removing the cap from the drinking opening along the weakening line of the cap in order to provide a drinking hole in the drinking opening;
The method of claim 12 , wherein the beverage is a hot beverage. f) further comprising inserting a straw through a weakening line for the straw in the ridge,
The method according to claim 12 , wherein the beverage is selected from the group consisting of a foamy beverage and a creamy mixed beverage. g) further comprising inserting a straw through a raised straw weakening line in the raised portion and a reservoir straw weakening line at the bottom of the reservoir;
13. A method according to claim 12 , wherein the beverage is a cold beverage. A beverage container lid (10; 30; 70) attached to a beverage container containing a beverage,
The lid of the beverage container
An inner cover (14; 34) having a pair of openings (52, 54) for allowing the beverage in the beverage container to pass through,
Reservoir bottom (56) ,
A recess portion (58) extending downward and outward from the edge of the reservoir bottom to form a recess;
A pair of retaining walls (42) each extending upward and outward from the edge of the reservoir bottom, located on one side of the indented portion and one side of the pair of openings and extending inwardly through the periphery of the opening 44) and
An inner cover (14; 34), including a reservoir bottom, a recessed portion, and an outer mouth (18; 38) configured to receive a beverage container lip, extending around the outer edge of the retaining wall ;
Outer cover having an outer edge (12; 32; 72) comprising:
A planar portion (48) extending inward from the outer edge of the outer cover, and
An outer cover (12; 32; 72) , comprising a drinking mouth (20; 40) extending upward from the flat surface,
Hinge (16; 36) , which can be folded to connect the inner cover with the outer cover and place the outer cover on the inner cover ;
With
The inner cover, the outer cover, and the hinge are arranged such that the drinking mouth is located above the indented portion ; and
Each retaining wall contacts the flat part of the outer cover ,
The inner cover further comprises an inner mouth (39) that extends inwardly from the outer edge of the inner cover, the outer edge of the outer cover being sized to be received by the inner mouth, the outer cover being in a flat portion of the outer cover. When the hinge is folded and the outer edge of the outer cover is received by the inner mouth of the inner cover, the pair of retaining walls of the inner cover is provided with a flat portion of the outer cover. Prevents the beverage in the beverage container from flowing directly from the opening to the mouth,
Beverage container lid. 17. The lid of a beverage container according to claim 16 , wherein the drinking mouth further comprises a cap (41) separable from the outer cover by a weakening line of the cap for providing a drinking hole in the drinking mouth. 17. A beverage container lid according to claim 16 , wherein the outer cover has an external straw weakening line (28; 50) sized to receive a straw (66) . The lid of a beverage container according to claim 16 , wherein the reservoir bottom has a weakening line (60) for a reservoir straw sized to receive a straw (66) . 17. The lid of a beverage container according to claim 16 , wherein the outer cover further comprises a ridge (22; 46; 50; 74) extending upward from the edge of the planar portion. 21. The lid of a beverage container according to claim 20 , wherein the raised portion has a curved shape. 21. The lid of a beverage container according to claim 20 , wherein the raised portion has a hemispherical shape. 21. A beverage container lid according to claim 20 , wherein the ridge has a flat top surface and steep sides. 21. Beverage container lid according to claim 20 , wherein the ridge has an external straw weakening line (28; 50) sized to accommodate a straw (66) . 17. The lid of a beverage container according to claim 16 , wherein the reservoir bottom , the recessed portion and the retaining wall are separable from the outer edge of the inner cover by a reservoir weakening line (62) .

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